9 results
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Henoch Schonlein ... Leg Rash - Palpable ... Palpable purpura ... suggestive of Henoch-Schonlein ... #Schonlein #Purpura
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
infection - RMSF - Henoch ... Schonlein Purpura ... Rash: - Purpura ... RA, Sjogren's, GPA ... immunoglobulins & cryoglobulins
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
IgA nephropathy, Henoch-SchonIein ... Purpura Anti-GBM ... Glomerulonephritis #Vasculitis #differential ... #diagnosis #algorithm ... #rheumatology
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Rashes- THE ALGORITHMIC ... endocarditis, RMSF, and Henoch-Schönlein ... rash, the diagnosis ... #Purpuric #Rash ... #Differential
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
lesions (9.4%) • Maculopapular ... rash (6.7%) • ... reticularis Differential ... • Henoch-Schönlein ... #diagnosis #rheumatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Crohn's disease Palpable ... vasculitis • Henoch ... Schönlein purpura ... Sarcoidosis • GPA ... #diagnosis #rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Arthralgia - Purpura ... Clinical triad of Palpable ... associated vasculitis - GPA ... IgA vasculitis (Henoch-Schönlein ... classification #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often present • Henoch ... Schonlein Purpura ... mucositis - Rash ... Serologies for Cryoglobulins ... #diagnosis #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
, mucositis • Rash ... MPO > PR3 60/ GPA ... often present) Henoch ... Schonlein Purpura ... #Diagnosis #Rheumatology